Home / 1,642,669.38-2,266,859.43-917,527.62

Finding the Fourth Proportional to 1,642,669.38, 2,266,859.43 and 917,527.62

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Solution

The fourth proportional to 1,642,669.38, 2,266,859.43 and 917,527.62 is: 1,266,174.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,669.38 : 2,266,859.43 = 917,527.62 : x
  2. Step 2: Convert to fraction form
    1,642,669.38/2,266,859.43 = 917,527.62/x
  3. Step 3: Cross multiply
    1,642,669.38x = 2,266,859.43 × 917,527.62
  4. Step 4: Simplify right side
    1,642,669.38x = 2,079,906,137,682.46
  5. Step 5: Solve for x
    x = 2,079,906,137,682.46/1,642,669.38
  6. Step 6: Final answer
    x = 1,266,174.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.